本题目来源于试卷: Physics Unit27: Early Quantum Theory and Models of the Atom，类别为 国际高中通用物理
[单选题]
In order for a photon to eject an elr2jx-3s :q7 (0rflff nxqba 7iectr s;ffhu r*x62- ;jxeymdo,8ddon from a metal's surface in the photoelectric effece8mfd-u* h dr6d2x ;y xof,s;jt, the photon's
A. frequency must be greater than a certain minimum value.
B. speed must be greater than a certain minimum value.
C. wavelength must be greater than a certain minimum value.
D. momentum must be zero.
参考答案: A
本题详细解析:
暂无
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